Finding the Third Proportional to 874 and 1,894
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Solution
The third proportional to 874 and 1,894 is: 4,104.39
Step by Step Solution
- Step 1: Write the proportion equation
874 : 1,894 = 1,894 : x - Step 2: Convert to fraction form
874/1,894 = 1,894/x - Step 3: Cross multiply
874x = 1,894 × 1,894 - Step 4: Simplify right side
874x = 3,587,236 - Step 5: Solve for x
x = 3,587,236/874 - Step 6: Final answer
x = 4,104.39
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.